The Bachelor spoilers reveal all the highs and lows that Colton Underwood will endure leading up to the Season 23 finale -- including Colton's Final 4 bachelorettes, the events that lead up to what could possibly be the most shocking ending ever, as well as Colton's winner and current relationship status with the bachelorette he ended up with.

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[Bachelor Spoilers Warning: Please stop reading if you want who Colton picks as his final winner and the shocking ending to Season 23 to remain a surprise. This story contains episode-by-episode Bachelor spoilers of what happens as ABC airs the 2019 season of The Bachelor. It also contains Bachelor spoilers that reveal if Colton is engaged and the current status of his relationship with the winning bachelorette he ended up with].

Colton has let well over a dozen beautiful women go since the start of his The Bachelor season in January, but his journey to find a future wife is only going to become more difficult -- and there's a chance his biggest fear of rejection and unrequited love could come to fruition.

There are 12 bachelorettes still in the running for Colton's heart more than halfway through the season and they are Caelynn Miller-Keyes, Cassie Randolph, Demi Burnett, Hannah Brown, Hannah Godwin, Heather Martin, Katie Morton, Kirpa Sudick, Nicole Lopez-Alvar, Onyeka Ehie, Sydney Lotuaco, and Tayshia Adams.

RELATED LINK: 'THE BACHELOR' SEASON 23: MEET ALL OF COLTON'S BACHELORETTES! (PHOTO GALLERY)

The women are going to continue to make big impressions on Colton, and some of them are expected to reveal they're falling in love with The Bachelor star -- such as Hannah B., who already made that confession.

However, only four bachelorettes will take Colton home to meet their families, and only three lucky women typically receive an overnight Fantasy Suite date with the Bachelor.

So who makes is that far in Colton's quest for lasting love and a mutual connection?

The Bachelor Final 4 bachelorettes spoilers

According to Reality Steve spoiler blogger Steve Carbone, Colton's Final 4 bachelorettes are Cassie, Hannah G., Tayshia, and Caelynn.

The women's hometown dates reportedly filmed from October 27 to November 2, and the special dates will air as part of Episode 8 of the reality dating series.

Hannah G's date was filmed in Birmingham, AL, on October 27, according to Carbone.

Colton then allegedly traveled to Fredericksburg, VA, where he and Caelynn were photographed enjoying a horse-drawn carriage on Princess Anne Street.

Tayshia's date was reportedly taped in Orange County, CA, on October 31, and then Cassie got the final hometown date in Huntington Beach, CA, on November 2.
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While it's unclear what leads Colton to believe Caelynn is not the one for him, she reportedly gets sent home at the Final 4 Rose Ceremony taped in Los Angeles, CA.

This news may come as a shock to fans since she's been a frontrunner since the start of the competition, but Carbone predicts Caelynn will be one of producers' top picks for the Season 15 The Bachelorette star.

Caelynn's exit reportedly leaves Hannah G., Tayshia and Cassie as Colton's Final 3 bachelorettes.

The Bachelor Final 3 bachelorettes spoilers

In Episode 9, Colton and his Final 3 bachelorettes will reportedly travel to Sagres, Portugal, for a week of overnight Fantasy Suite dates.

This is the part of the season when drama reaches a tipping point, and it's not because of Colton's virgin storyline!

During filming, Colton allegedly took advantage of only two Fantasy Suites instead of the usual three.

So which girl got shorted on time with The Bachelor star? Carbone says Colton skipped out on his overnight date with the stunning Hannah G.

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Colton reportedly first enjoyed an overnight date with Tayshia that taped on November 6 at the famous lighthouse on Cabo de Sao Vicente.

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And then the former football player's second Fantasy Suite date was with Cassie, and the romantic evening taped on November 8.

Colton reportedly determined at some point during his Fantasy Suite date with Cassie that she's the one for him! That's right. Colton allegedly had his mind made up before going any deeper into the process.

Fans watched Colton and Cassie's chemistry jump off the screen during their first one-on-one date together in Thailand, as they appeared to kiss the whole time and couldn't keep their hands off each other.

Although Colton determined Cassie is the woman he wants to be with forever, Carbone revealed in his podcast in December 2018 that Cassie quit the show before Colton could even give her the final rose.

Cassie reportedly realized she's not ready to settle down or accept a Neil Lane diamond ring from Colton in the end.

"Cassie told him, 'I don't want to be engaged,'" Carbone disclosed in his podcast.

"She essentially pulled a [Peter Kraus]. Like, 'I'm 23, like, I don't want to be engaged.' And I'm being told -- and I can't 100 percent confirm this -- but I'm being told this is where the fence jump happened. Because on that overnight date, Cassie left the show."

Cassie's decision to quit was allegedly the moment when Colton jumped a fence and yelled he was "done" with the show, as previously shown in a trailer for Season 23 released by ABC.

RELATED LINK: 'THE BACHELORETTE' COUPLES NOW: WHOM DID 'THE BACHELORETTE' STARS AND THEIR BACHELOR PICKS ULTIMATELY END UP WITH?! (PHOTOS)

When Colton jumped the fence, he left Chris Harrison calling for him several yards away in a total panic.

Colton therefore decided to dump both Hannah G. and Tayshia in the hope of making something work with Cassie in the real world, according to Carbone.

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As a result, Carbone believes there will be no Final 3 Rose Ceremony or Final Rose Ceremony that will air on ABC.

Colton and Cassie spoilers

Once Cassie left the show, she reportedly returned home to California -- presumably to Huntington Beach, where she lives with her parents -- and then Colton also returned to America and essentially chased her down.

The Bachelor's production crew reportedly filmed Colton tracking Cassie down in the Los Angeles area and telling her that he'd still like to be with her regardless of whether they get engaged.

Carbone is unsure how many days elapsed between Cassie's exit in Portugal and when cameras taped her in California.

"Colton comes to Cassie and basically says, 'We don't need to be engaged, but I want to be with you.' And that's where we are for right now," Carbone said.

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Carbone had been hearing Cassie would probably be Colton's winner since mid-October. In fact, the spoiler blogger said from the start he would be "stunned" if Cassie didn't receive his final rose.

So what happened to Colton and Cassie after they reunited in California? Did Cassie take a leap of faith and decide to date Colton despite her fears and doubts?

Colton's desperate plea to Cassie reportedly resulted in the couple choosing to continue dating each other but taking an engagement off the table since Cassie is only 23 years old.

Carbone says Colton and Cassie are still together and will share a relationship update with fans in a couple of months when The Bachelor: After the Final Rose airs on ABC.

"My guess is Cassie is very young, and her feeling of, back in November, telling Colton, 'I'm not ready to be engaged,' [is] probably still going to stand in March. But that's just a guess. We'll see what happens," Carbone predicted.

However, Cassie appeared to play up the rumors and spoilers about her relationship with Colton in a recent Instagram post.

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Cassie posted a photo of herself flipping a tire on a previous group date in which the girls had participated in a "Bachelor's Strongest Woman" contest.

"Caption Options: 1. When you gotta secure the ring 2. Get this ring away from me. I'm not ready for that...Or am I? 3. Hey @neillanejewelry ... do you make rings this big?" Cassie teased on Instagram.

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Maybe Cassie is ready for an engagement after all! Fans will probably be delighted to hear from them on After the Final Rose.

Carbone concluded his podcast last month by apologizing for previously incorrectly reporting Colton and Cassie were engaged.

"I apologize for reporting that they are engaged. They are not," Carbone said, referring to his initial set of spoilers that he had to correct.

"But he definitely chose Cassie, and they are definitely seeing each other, and have been seeing each other since the end of filming."

If the spoilers turn out to be accurate, Bachelor Nation will miss out on a lot of typical footage from The Bachelor season -- including the Final 2 women meeting with Colton's family and the Final 2 women's last one-on-one dates with Colton in Spain.

But before all of that drama goes down, The Bachelor must air its sixth episode on Monday, February 11 at 8PM ET/PT on ABC.

The Bachelor Episode 6 spoilers

Colton had an incredible week in Thailand, but Elyse Dehlbom suddenly decided to quit the show and a loud verbal altercation too place between Onyeka and Nicole.

Colton was so upset over Onyeka and Nicole's war of words and accusations that he stormed off and asked to be alone. Neither woman could comfort him at the time.

RELATED LINK: 'MARRIAGE BOOT CAMP' COUPLES NOW: WHO IS STILL TOGETHER? WHO HAS SPLIT? WHERE ARE THEY NOW? (PHOTOS)

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So what happens next? And will Colton choose to believe Onyeka or Nicole's side of the story?

According to Carbone, Colton will actually choose to eliminate both women at the Rose Ceremony at the beginning of Episode 6 rather than attempt to determine who's really at fault or to blame.

After Onyeka and Nicole are ousted in Thailand, Colton and his 10 remaining bachelorettes will travel to the lush, tropical paradise of Vietnam's Cam Ranh coast.

Colton will experience "passionate dates, love confessions and unexpected breakups" during this week that leave him questioning himself as well as all of the women, according to ABC.

The first one-on-one date will be captured by a woman who has "magic chemistry" with Colton, says ABC, and they will enjoy a "sexy" and "rejuvenating" spa date that reignites their passion.

However, the couple will need to resolve some deeper issues and a serious conversation needs to be had over the dinner portion of their date.

Carbone says this woman will be Hannah G., and she will receive a rose.

A wild group date then kicks off at the historic Hai Thai Ancient House, providing the women with an adrenaline rush as they are trained in the Vietnamese martial art of Vovinam and must fight for love in a series of intense sparring matches, says ABC.

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Carbone reports the following women will participate in this date: Tayshia, Hannah B., Katie, Demi, Sydney, Cassie, Caelynn, and Heather.

"The drama and action ramp up with Chris Harrison and The Bachelor Vietnam host Khoi Tran doing the play-by-play honors. The powerful clashes escalate until Colton decides to take matters into his own hands," teases the network.

The afterparty will then feature one "disillusioned woman" having a heart-wrenching talk with Colton in which she will give him some cautionary advice: Be sure the remaining ladies are actually ready to get engaged.

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Colton will be faced, one again, with his biggest fear of ending up alone at the end of this journey by choosing someone who is not ready to get married.

Colton's last one-on-one date of the week will be with a seemingly shy woman who opens up about the most intimate of matters, and Carbone reports this woman is Kirpa.

ABC says Colton and this bachelorette will have an "awkward" but "honest" conversation. Kirpa, however, will allegedly receive a rose.

And then one woman dramatically declares her growing feelings to Colton in a late-night tryst. Carbone claims the woman is Demi and Colton will not react well to her profession of love.

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Colton reportedly decides to send Demi home ahead of the Rose Ceremony because his feelings for her are not on the same page.

Colton will then have a tough choice to make at the Rose Ceremony, but ABC teases it "comes with another ominous warning that there are women left who are not ready for a proposal. Totally thrown, he confronts the remaining bachelorettes with the devastating admonition he received."

According to Carbone, Katie reportedly throws two of her fellow bachelorettes under a bus.

"Katie tells [Colton] that Caelynn and Cassie were talking about being the Bachelorette, they weren't genuine, and they weren't here for him and he wasn't happy," Carbone claimed.

However, Colton will reportedly side with the women whom he has stronger connections with, and so Katie will be sent packing at the Rose Ceremony.

In addition, Carbone reports Sydney will eliminate herself at some point during this episode because she wasn't feeling it with Colton and he wasn't opening up to her.

The Bachelor Episode 7 spoilers

In Episode 7, the group will reportedly travel to Denver, Colorado and Tayshia, Caelynn and Hannah B. will each reportedly receive a one-on-one date with Colton.

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Colton and Tayshia will be shown walking around Union Station with Colton's dog Sniper and enjoying some drinks and ice cream.

Unfortunately for Hannah B., however, she gets eliminated during her one-on-one date, according to Carbone, but the other two ladies receive roses.

There will also reportedly be a four-on-one date during which Heather chooses to eliminate herself because she's not ready to introduce Colton to her family.

Heather has insisted she's ready for a committed relationship and lasting love, so was she not in touch with herself or was Colton simply not the man for her?

Hannah G. allegedly receives the rose on this group date, leaving one rose up for grabs between Kirpa and Cassie ahead of hometown dates.

At this point, Kirpa reportedly gets eliminated, but Carbone is unsure whether she goes home in the traditional sense at a Rose Ceremony.

This narrows down the field to Colton's Final 4 bachelorettes, as revealed earlier in this story.

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About The Author: Elizabeth Kwiatkowski
Elizabeth Kwiatkowski is Associate Editor of Reality TV World and has been covering the reality TV genre for more than a decade.